US10242817B2 - Switch housing protrusion secures board with fixed contact - Google Patents
Switch housing protrusion secures board with fixed contact Download PDFInfo
- Publication number
- US10242817B2 US10242817B2 US15/941,103 US201815941103A US10242817B2 US 10242817 B2 US10242817 B2 US 10242817B2 US 201815941103 A US201815941103 A US 201815941103A US 10242817 B2 US10242817 B2 US 10242817B2
- Authority
- US
- United States
- Prior art keywords
- contact
- board
- movable contact
- switch
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/026—Form of contacts on different planes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/004—Movable contacts fixed to substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/006—Only mechanical function
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/03—Sound
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/05—Force concentrator; Actuating dimple
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/034—Positioning of layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/05—Forming; Half-punching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Definitions
- An aspect of this disclosure relates to a switch.
- a tactile switch includes a fixed contact provided on a board and a movable contact disposed above the movable contact. Tactile switches have come to be used for various purposes, and there is a demand for smaller tactile switches.
- bosses for fixing a board to a housing are disposed on the outer side of a movable contact (see, for example, Japanese Laid-Open Patent Publication No. 2014-071995).
- the maximum size of the movable contact is limited by the bosses.
- a switch that includes a housing including a bottom surface and a protrusion formed on the bottom surface, a board that is placed on the bottom surface of the housing and includes a fixed contact, the board and the protrusion being fitted together, a movable contact that is disposed to cover at least portions of the fixed contact and the protrusion and configured to be inverted, and an operation part that presses the movable contact toward the fixed contact.
- FIG. 1 is a perspective view of a switch
- FIG. 2 is an exploded perspective view of a switch
- FIG. 3 is a plan view of a portion of a board including fixed contacts
- FIG. 4 is a plan view of a portion of a board including fixed contacts
- FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 and illustrating a state before a board is fixed to a housing;
- FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3 and illustrating a state after a board is fixed to a housing;
- FIG. 7 is a cross-sectional view taken along line A-A of FIG. 1 .
- FIGS. 1 through 7 A switch 100 according to an embodiment is described with reference to FIGS. 1 through 7 .
- the switch 100 is an example of a tactile switch.
- FIG. 1 is a perspective view of the switch 100 .
- FIG. 2 is an exploded perspective view of the switch 100 .
- the switch 100 includes a housing 1 , a board 2 , movable contacts 3 A through 3 C, a stem 4 , an operation part 5 , and a lid 6 .
- the housing 1 is made of a resin and constitutes the outer wall of the switch 100 together with the operation part 5 and the lid 6 . As illustrated in FIG. 2 , the housing 1 houses the board 2 , the movable contacts 3 A through 3 C, the stem 4 , and the operation part 5 .
- the housing 1 includes a bottom surface 11 and a side wall 12 .
- a boss 13 is provided on the bottom surface 11 .
- the boss 13 is a protrusion protruding upward from the bottom surface 11 and is fitted into an opening 23 of the board 2 to fix the board 2 .
- the boss 13 is described in more detail below.
- the bottom surface 11 has a substantially-rectangular shape.
- the shape of the bottom surface 11 is not limited to a rectangular shape.
- the side wall 12 extends upward from the outer edge of the bottom surface 11 .
- the side wall 12 includes an opening 14 through which a wire harness 7 is connected to the board 2 placed in the housing 1 .
- the opening 14 may be formed in the bottom surface 11 .
- the board 2 is placed on the bottom surface 11 of the housing 1 .
- the board 2 includes a first contact 21 , a second contact 22 , an opening 23 , and output terminals 24 A and 24 B.
- the first contact 21 and the second contact 22 are fixed contacts formed on a surface of the board 2 , and are implemented by, for example, a conductive material printed on the surface of the board 2 or a copper foil pasted on the surface of the board 2 .
- the switch 100 is turned on when the first contact 21 and the second contact 22 are electrically connected to each other, and is turned off when the first contact 21 and the second contact 22 are electrically disconnected from each other. Because the first contact 21 and the second contact 22 are not electrically connected to each other in a normal state (where the operation part 5 is not being pressed), the switch 100 is off in the normal state.
- the opening 23 is a through hole, and the boss 13 formed on the bottom surface 11 of the housing 1 is fitted into the opening 23 .
- the output terminal 24 A is electrically-connected to the first contact 21 and is also connected to a terminal 71 A of the wire harness 7 .
- the output terminal 24 B is electrically-connected to the second contact 22 and is also connected to a terminal 71 B of the wire harness 7 .
- the movable contacts 3 A through 3 C are metal disc springs (metal contacts) and are stacked on the board 2 . More specifically, the movable contact 3 A is placed on the board 2 . The movable contact 3 B is placed on the movable contact 3 A. The movable contact 3 C is placed on the movable contact 3 B.
- the movable contacts 3 A through 3 C may be collectively referred to as a “movable contact 3 ” when it is not necessary to distinguish them.
- the movable contact 3 includes a contact 31 and legs 32 .
- the contact 31 has an upward-convex shape and is configured to contact the first contact 21 when the operation part 5 is pressed.
- the contact 31 is inverted when the operation part 5 is pressed, and the inversion of the contact 31 generates a click feel.
- the inversion of the contact 31 indicates that the contact 31 changes from the upward-convex shape into a downward-convex shape when the operation part 5 is pressed.
- the contact 31 has a circular shape.
- the shape of the contact 31 is not limited to a circular shape.
- the legs 32 are provided along the outer circumference of the contact 31 .
- the legs 32 support the contact 31 in a position above the board 2 (the first contact 21 ).
- the legs 32 are in contact with the second contact 22 and electrically connect the second contact 22 to the contact 31 .
- four legs 32 are provided around the contact 31 .
- the number of the legs 32 is not limited to four and may be three, five, or more.
- the movable contact 3 may instead be formed of a resin such as silicon rubber.
- a contact 31 formed of a conductive material such as a metal or carbon may be provided in a part (which contacts the first contact 21 ) of the lower surface of the movable contact 3 .
- fixed contacts (the first contact 21 and the second contact 22 ) may be arranged such that the contact 31 can be brought into contact with and moved away from the fixed contacts.
- the switch 100 includes three movable contacts 3 .
- the number of the movable contacts 3 is not limited to three and may be one, two, four, or more.
- the number of the movable contacts 3 may be determined based on a click feel desired for the switch 100 .
- the movable contact 3 has a cross shape where four legs 32 are formed along the outer circumference of the contact 31 .
- the shape of the movable contact 3 may be a circular shape instead of a cross shape. In this case, the outer edge of the circular contact 31 functions as the legs 32 .
- the stem 4 is placed on the contact 31 of the movable contact 3 .
- the movable contact 3 is pressed downward via the stem 4 and contacts the first contact 21 .
- the first contact 21 and the second contact 22 are electrically connected to each other via the movable contact 3 , and the switch 100 is turned on.
- the stem 4 is preferably disposed such that the center of the stem 4 matches the center of the contact 31 . This configuration enables the operator to more reliably press the center of the movable contact 3 and obtain a better operation feel.
- the stem 4 may be omitted.
- the operation part 5 is formed of a resin such as silicon rubber and is placed on the stem 4 to cover a space above the movable contact 3 placed on the board 2 .
- the operation part 5 includes an operating part 51 and a cover 52 .
- the operating part 51 protrudes upward and is operated (pressed) by the operator of the switch 100 .
- one operating part 51 is provided for one cover 52 .
- multiple operating parts 51 may be provided for one cover 52 .
- the first contact 21 , the second contact 22 , the movable contact 3 , and the stem 4 are provided for each of the operating parts 51 .
- the cover 52 supports the operating part 51 in a predetermined position relative to the housing 1 , and is disposed such that the outer surface of the cover 52 contacts the side wall 12 of the housing 1 .
- a space above the board 2 on which the movable contact 3 is placed is hermetically closed by the operation part 5 . This in turn prevents entry of water and foreign matter into the space above the board 2 on which the movable contact 3 is placed, and makes it possible to increase the life of the switch 100 .
- the lid 6 is made of a resin and covers the housing 1 .
- the lid 6 is disposed above the operation part 5 , and the outer edge of the lid 6 is attached to an upper part of the side wall 12 of the housing 1 .
- the lid 6 includes an opening 61 .
- the opening 61 is a through hole having a diameter greater than the outside diameter of the operating part 51 of the operation part 5 , and the operating part 51 protrudes upward through the opening 61 .
- the lid 6 is fixed to the housing 1 in a state where the operating part 51 is protruding through the opening 61 .
- the cover 52 of the operation part 5 is pressed between the lid 6 and the housing 1 . This configuration further prevents entry of water and foreign matter into the space above the board 2 on which the movable contact 3 is placed, and makes it possible to increase the life of the switch 100 .
- FIGS. 3 and 4 are plan views of a portion of the board 2 including the fixed contacts (the first contact 21 and the second contact 22 ).
- the movable contact 3 , the stem 4 , the operation part 5 , and the lid 6 are omitted.
- the stem 4 , the operation part 5 , and the lid 6 are omitted, and the movable contact 3 is illustrated as a transmissive image.
- the first contact 21 is disposed in the middle of the board 2 .
- the operating part 51 is disposed above the first contact 21 so that the operating part 51 can press the contact 31 of the movable contact 3 toward the first contact 21 .
- a through electrode 25 passes through the board 2 to its lower surface and is electrically connected to the first contact 21 .
- a through electrode 26 passes through the board 2 to its lower surface and is electrically connected to the output terminal 24 A.
- the through electrodes 25 and 26 are electrically connected to each other on the lower surface of the board 2 . Accordingly, the first contact 21 and the output terminal 24 A are electrically connected to each other.
- the first contact 21 has a substantially circular shape. However, the shape of the first contact 21 is not limited to a circular shape.
- the second contact 22 is formed on the periphery of the board 2 to surround at least a part of the first contact 21 .
- the second contact 22 is formed to surround three sides of the first contact 21 .
- the second contact 22 may be formed to surround four sides of the first contact 21 .
- the second contact 22 is connected to the output terminal 24 B on the upper surface of the board 2 .
- the second contact 22 includes multiple contacts 27 .
- the contacts 27 extend toward the outer edge of the board 2 and are in contact with the legs 32 of the movable contact 3 .
- four contacts 27 are provided to correspond to four legs 32 .
- the contacts 27 preferably extend to positions near the outer edge of the board 2 . This configuration makes it possible to increase the size of the movable contact 3 that is placeable on the board 2 .
- the movable contact 3 is disposed such that the legs 32 contact the corresponding contacts 27 .
- first guide 15 and second guides 16 are provided on the side wall 12 of the housing 1 .
- the first guide 15 is used to position the board 2 on the bottom surface 11 , and extends inward from the side wall 12 of the housing 1 . Also, a recess 28 , which engages with the first guide 15 , is formed in the outer edge of the board 2 . When placing the board 2 on the bottom surface 11 , the recess 28 and the first guide 15 are fitted together so that the board 2 is placed in a predetermined position on the bottom surface 11 .
- the height of the first guide 15 is preferably lower than the height of the board 2 so that the moving range of the movable contact 3 is not limited, i.e., so that the movable contact 3 does not touch the first guide 15 when the movable contact 3 is pressed.
- one first guide 15 is provided in the example of FIG. 3 , multiple first guides 15 may instead be provided.
- the second guides 16 are used to position the movable contact 3 on the board 2 , and protrude inward from the side wall 12 of the housing 1 . More specifically, as illustrated in FIG. 4 , the second guides 16 are formed to touch portions of the outer edge of the movable contact 3 when the movable contact 3 is placed on the board 2 . That is, when the movable contact 3 is placed on the board 2 , the second guides 16 touch the portions of the outer edge of the movable contact 3 and thereby place the movable contact 3 in a predetermined position where the legs 32 of the movable contact 3 touch the contacts 27 of the second contact 22 on the board 2 .
- the height of the second guides 16 is preferably higher than the height of the contact 31 of the movable contact 3 placed on the board 2 so that the second guides 16 can touch the portions of the outer edge of the movable contact 3 .
- the number of the second guides 16 is not limited to six.
- the board 2 is preferably formed in such a shape that the board 2 does not touch the second guides 16 when the board 2 is placed on the bottom surface 11 . This configuration makes it possible to reduce the dimensional accuracy required for the shape of the board 2 .
- the board 2 is placed on the bottom surface 11 with the boss 13 fitted into the opening 23 .
- the opening 23 and the boss 13 are disposed such that at least portions of the opening 23 and the boss 13 are positioned below the movable contact 3 when the board 2 is placed on the bottom surface 11 .
- the movable contact 3 is disposed to cover at least portions of the opening 23 and the boss 13 . This configuration prevents the boss 13 from limiting the size of the movable contact 3 and thereby makes it possible to increase the size of the movable contact 3 that is placeable on the board 2 .
- the opening 23 and the boss 13 are disposed between two legs 32 (or two contacts 27 ).
- the configuration of the present embodiment makes it possible to increase the size of the first contact 21 . This in turn enables the first contact 21 and the contact 31 to contact each other more reliably.
- the configuration of the present embodiment makes it possible to increase the sizes of the opening 23 and the boss 13 . This in turn makes it possible to improve the strength of the boss 13 and improve the accuracy in positioning the board 2 .
- the height of the boss 13 is preferably lower than the height of the board 2 so that the moving range of the movable contact 3 is not limited, i.e., so that the movable contact 3 does not touch the boss 13 when the movable contact 3 is pressed.
- one boss 13 is provided in the example of FIG. 4 , multiple bosses 13 may instead be provided.
- FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 and illustrating a state before the board 2 is fixed to the housing 1 .
- FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3 and illustrating a state after the board 2 is fixed to the housing 1 .
- FIG. 7 is a cross-sectional view taken along line A-A of FIG. 1 .
- the board 2 is placed on the bottom surface 11 by fitting the first guide 15 and the recess 28 together and fitting the boss 13 into the opening 23 .
- the board 2 is placed in a predetermined position on the bottom surface 11 .
- the diameter of the boss 13 is less than the diameter of the opening 23 so that the boss 13 can be fitted into the opening 23 .
- the heights of the first guide 15 and the boss 13 are lower than the height of the board 2 so that the moving range of the movable contact 3 is not limited by the first guide 15 and the boss 13 .
- the punch preferably includes a conical protrusion that protrudes downward.
- a recess 17 for inserting the tip of the protrusion of the punch is preferably formed in the center of the upper end of the boss 13 .
- the punch is pressed down to beat out (flatten or spread out) the boss 13 .
- the diameter of the boss 13 increases evenly and the boss 13 becomes immovable in the opening 23 .
- the board 2 is fixed to the housing 1 .
- the movable contact 3 is placed on the board 2 such that the legs 32 of the movable contact 3 touch the contacts 27 of the second contact 22 and portions of the outer edge of the movable contact 3 touch the second guides 16 .
- the movable contact 3 is placed in a predetermined position on the board 2 .
- the contact 31 is supported by the legs 32 in a position above the first contact 21 as illustrated in FIG. 7 .
- the operation part 5 is attached to the side wall 12 .
- the stem 4 is placed on the contact 31 of the movable contact 3
- the operation part 5 is placed on the stem 4 .
- the lower surface of the stem 4 touches the upper surface of the contact 31
- the upper surface of the stem 4 touches the lower surface of the operating part 51 .
- the contact 31 can be pressed toward the first contact 21 by pressing the operating part 51 .
- the side wall 12 preferably includes an engaging part 18 that engages with the outer edge of the operation part 5 (the cover 52 ).
- the outer edge of the operation part 5 may be bonded with an adhesive to the side wall 12 .
- the lid 6 is attached to the side wall 12 of the housing 1 .
- the side wall 12 preferably includes an engaging part 19 that engages with the lid 6 .
- the lid 6 may be bonded with an adhesive to the side wall 12 .
- the size of the movable contact 3 is not limited by the boss 13 .
- the present embodiment makes it possible to increase the size of the movable contact 3 that is placeable on the board 2 .
- the present embodiment makes it possible to increase the life of the switch 100 even when the size of the switch 100 is reduced. That is, the present embodiment can provide a small, long-life switch.
- the switch 100 of the present embodiment can be used for various purposes where a small, long-life switch is required.
- the switch 100 may be used to switch gears provided in a brake unit of an automobile.
- the terminals 71 A and 71 B of the wire harness 7 may be configured to be removable from the switch 100 or may be fixed to the output terminals 24 A and 24 B by, for example, soldering. Also, the output terminals 24 A and 24 B of the switch 100 may be configured to protrude from the housing 1 so as to be connectable with an external apparatus. In this case, the wire harness 7 may be omitted.
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017-079417 | 2017-04-13 | ||
JP2017079417A JP6815921B2 (en) | 2017-04-13 | 2017-04-13 | Switch device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20180301297A1 US20180301297A1 (en) | 2018-10-18 |
US10242817B2 true US10242817B2 (en) | 2019-03-26 |
Family
ID=62983045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/941,103 Active US10242817B2 (en) | 2017-04-13 | 2018-03-30 | Switch housing protrusion secures board with fixed contact |
Country Status (4)
Country | Link |
---|---|
US (1) | US10242817B2 (en) |
JP (1) | JP6815921B2 (en) |
CN (1) | CN208460617U (en) |
DE (1) | DE202018101847U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10892116B2 (en) * | 2017-10-16 | 2021-01-12 | Ferrari Interconnect Solutions, Inc. | Durable and secured switch assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6392174B1 (en) | 1999-05-17 | 2002-05-21 | Alps Electric Co., Ltd. | Printed circuit board with fixed contacts of switch formed thereon and switch using same |
US20020079200A1 (en) * | 1999-07-21 | 2002-06-27 | Bernard Juret | Electrical switch single sliding/rotary actuator |
JP2003257282A (en) | 2002-03-04 | 2003-09-12 | Alps Electric Co Ltd | Sheet with movable contact |
US6794589B2 (en) * | 2002-05-30 | 2004-09-21 | Itt Manufacturing Enterprises, Inc. | Multiple electrical switch arrangement |
US6809274B2 (en) * | 2002-09-12 | 2004-10-26 | Matsushita Electric Industrial Co., Ltd. | Four-directional control switch |
US6946610B2 (en) * | 2002-04-04 | 2005-09-20 | Matsushita Electric Industrial Co., Ltd. | Push switch |
JP2014071995A (en) | 2012-09-28 | 2014-04-21 | Satori S-Tech Co Ltd | Tactile switch |
-
2017
- 2017-04-13 JP JP2017079417A patent/JP6815921B2/en active Active
-
2018
- 2018-03-19 CN CN201820375508.3U patent/CN208460617U/en active Active
- 2018-03-30 US US15/941,103 patent/US10242817B2/en active Active
- 2018-04-05 DE DE202018101847.7U patent/DE202018101847U1/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6392174B1 (en) | 1999-05-17 | 2002-05-21 | Alps Electric Co., Ltd. | Printed circuit board with fixed contacts of switch formed thereon and switch using same |
US20020079200A1 (en) * | 1999-07-21 | 2002-06-27 | Bernard Juret | Electrical switch single sliding/rotary actuator |
JP2003257282A (en) | 2002-03-04 | 2003-09-12 | Alps Electric Co Ltd | Sheet with movable contact |
US6946610B2 (en) * | 2002-04-04 | 2005-09-20 | Matsushita Electric Industrial Co., Ltd. | Push switch |
US6794589B2 (en) * | 2002-05-30 | 2004-09-21 | Itt Manufacturing Enterprises, Inc. | Multiple electrical switch arrangement |
US6809274B2 (en) * | 2002-09-12 | 2004-10-26 | Matsushita Electric Industrial Co., Ltd. | Four-directional control switch |
JP2014071995A (en) | 2012-09-28 | 2014-04-21 | Satori S-Tech Co Ltd | Tactile switch |
Also Published As
Publication number | Publication date |
---|---|
JP2018181601A (en) | 2018-11-15 |
US20180301297A1 (en) | 2018-10-18 |
JP6815921B2 (en) | 2021-01-20 |
DE202018101847U1 (en) | 2018-07-11 |
CN208460617U (en) | 2019-02-01 |
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Owner name: ALPS ALPINE CO., LTD., JAPAN Free format text: CHANGE OF NAME;ASSIGNOR:ALPS ELECTRIC CO., LTD.;REEL/FRAME:048710/0794 Effective date: 20190101 |
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